# Latest **URL:** https://www.rubin.community/latest.md [Latest](https://www.rubin.community/latest.md) · [Categories](https://www.rubin.community/categories.md) · [Tags](https://www.rubin.community/tags.md) --- ## [New user permissions and availability of posts](https://www.rubin.community/t/new-user-permissions-and-availability-of-posts/9357)
**Author:** [@jeffcarlin](https://www.rubin.community/u/jeffcarlin)\ **Replies:** 4\ **Last updated:** [November 26, 2024, 8:05pm UTC](https://www.rubin.community/t/new-user-permissions-and-availability-of-posts/9357 "2024-11-26T20:05:01Z")
It has been our policy to avoid creating barriers to entry into the Rubin Forum Community, so we have always allowed new users to post to the Forum immediately upon creating an account. However, in response to an increas… --- ## [Access to RSP, multiple activated accounts](https://www.rubin.community/t/access-to-rsp-multiple-activated-accounts/12799)
**Author:** [@martinrm](https://www.rubin.community/u/martinrm)\ **Replies:** 5\ **Last updated:** [October 3, 2026, 12:13am UTC](https://www.rubin.community/t/access-to-rsp-multiple-activated-accounts/12799 "2026-10-03T00:13:22Z")
Hi, My name is Martín Rodríguez Monroy and I recently moved from one institution to another and while trying to log on RSP I found I was not able to do so anymore. Apparently, I have three different activated accounts: … --- ## [Summit technical progress (week ending 2026-10-02)](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-10-02/12801)
**Author:** [@bstalder](https://www.rubin.community/u/bstalder)\ **Replies:** 0\ **Last updated:** [October 2, 2026, 8:19pm UTC](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-10-02/12801 "2026-10-02T20:19:09Z")
Following on from last week’s update, the team on Cerro Pachón spent this week moving from bringing systems back to life toward actually exercising them. We are still off sky; here is where things stand as of October 2. … --- ## [How to tell if the zeropoints are calculated incorrectly (due to clouds or something else)?](https://www.rubin.community/t/how-to-tell-if-the-zeropoints-are-calculated-incorrectly-due-to-clouds-or-something-else/12698)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 11\ **Last updated:** [October 2, 2026, 7:03pm UTC](https://www.rubin.community/t/how-to-tell-if-the-zeropoints-are-calculated-incorrectly-due-to-clouds-or-something-else/12698 "2026-10-02T19:03:50Z")
I suspect that the low i-band points in the bottom right are due to clouds/bad zeropoints. This is a dwarf planet and bright enough that it has sufficient past observations that show the rotational light curve does not … --- ## [How to figure out which DP2 visits have DP2 template coverage?](https://www.rubin.community/t/how-to-figure-out-which-dp2-visits-have-dp2-template-coverage/12782)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 2\ **Last updated:** [October 2, 2026, 12:49pm UTC](https://www.rubin.community/t/how-to-figure-out-which-dp2-visits-have-dp2-template-coverage/12782 "2026-10-02T12:49:05Z")
I’m trying to figure out which DP2 visits have template coverage. I would imagine that every observation with a template generated at least one diaSource. Is it okay to query diaSource table for unique visit ID and dete… --- ## [Unable to access Discovery Alliance Slack after changing my email address](https://www.rubin.community/t/unable-to-access-discovery-alliance-slack-after-changing-my-email-address/12789)
**Author:** [@ogami](https://www.rubin.community/u/ogami)\ **Replies:** 2\ **Last updated:** [October 2, 2026, 4:41am UTC](https://www.rubin.community/t/unable-to-access-discovery-alliance-slack-after-changing-my-email-address/12789 "2026-10-02T04:41:19Z")
Hello, I previously had access to the LSSTC / Discovery Alliance Slack workspace, but I am no longer able to sign in because my email address has changed following a change of institution. My Slack account was register… --- ## [RSP Maintenance 14:00-17:00 BST (10:00-13:00 CLST)](https://www.rubin.community/t/rsp-maintenance-1400-bst-1000-clst/12794)
**Author:** [@davemckay](https://www.rubin.community/u/davemckay)\ **Replies:** 1\ **Last updated:** [October 1, 2026, 3:26pm UTC](https://www.rubin.community/t/rsp-maintenance-1400-bst-1000-clst/12794 "2026-10-01T15:26:15Z")
Dear all, The UK RSP at rsp.lsst.ac.uk will be unavailable today from 14:00 to 17:00 BST (10:00 to 13:00 CLST) as it is undergoing upgrades to its TAP and authentication services, along with other updates. In the meant… --- ## [RTN-011 v9.1: Rubin Early Science Program](https://www.rubin.community/t/rtn-011-v9-1-rubin-early-science-program/12796)
**Author:** [@leanne](https://www.rubin.community/u/leanne)\ **Replies:** 5\ **Last updated:** [October 1, 2026, 3:12pm UTC](https://www.rubin.community/t/rtn-011-v9-1-rubin-early-science-program/12796 "2026-10-01T15:12:12Z")
A new version, v9.1, of RTN-011, “Rubin Observatory Early Science Program,” has been issued and is available at https://rtn-011.lsst.io . V9.1 updates timeline for the release of the PPDB, Full DP2 and Prompt Images… --- ## [Difference between deep\_coadd and a custom coadd](https://www.rubin.community/t/difference-between-deep-coadd-and-a-custom-coadd/12758)
**Author:** [@emdajhuda](https://www.rubin.community/u/emdajhuda)\ **Replies:** 4\ **Last updated:** [September 30, 2026, 9:28pm UTC](https://www.rubin.community/t/difference-between-deep-coadd-and-a-custom-coadd/12758 "2026-09-30T21:28:07Z")
Custom coadd built from the same visits as the DP1 deep\_coadd does not match it — how should two coadds be compared? Hi everyone, I am testing the custom coadd workflow from tutorial 105.6 “Create custom coadd images” o… --- ## [Background removal in edp2 coadd images issues](https://www.rubin.community/t/background-removal-in-edp2-coadd-images-issues/12756)
**Author:** [@bek5cw](https://www.rubin.community/u/bek5cw)\ **Replies:** 1\ **Last updated:** [September 30, 2026, 5:52pm UTC](https://www.rubin.community/t/background-removal-in-edp2-coadd-images-issues/12756 "2026-09-30T17:52:44Z")
Hi everyone, I am currently using the SLIDE tool (GitHub - yizedong/SLIDE · GitHub) to look for transients in the EDP2 data from old DECam templates. I have noticed in some coadded images with bright host galaxies there… --- ## [Any plans for a storage-optimized release of the catalog light curves?](https://www.rubin.community/t/any-plans-for-a-storage-optimized-release-of-the-catalog-light-curves/12410)
**Author:** [@kburdge](https://www.rubin.community/u/kburdge)\ **Replies:** 15\ **Last updated:** [September 30, 2026, 5:39pm UTC](https://www.rubin.community/t/any-plans-for-a-storage-optimized-release-of-the-catalog-light-curves/12410 "2026-09-30T17:39:36Z")
Hi all, I was wondering whether there’s any plan to release a storage-conscious version of the catalog files — optimized to use as little disk space as possible while still providing maximum utility to the community. E… --- ## [Proposal: Public release of Rubin data in the Euclid Deep Field South (EDF-S)](https://www.rubin.community/t/proposal-public-release-of-rubin-data-in-the-euclid-deep-field-south-edf-s/12761)
**Author:** [@leanne](https://www.rubin.community/u/leanne)\ **Replies:** 36\ **Last updated:** [September 30, 2026, 6:22am UTC](https://www.rubin.community/t/proposal-public-release-of-rubin-data-in-the-euclid-deep-field-south-edf-s/12761 "2026-09-30T06:22:32Z")
Rubin Observatory proposes to make its data products in the Euclid Deep Field South (EDF-S) publicly available, without data-rights restrictions. The primary motivation is to enable development of the pipelines, infrastr… --- ## [General questions on DP2 bandpasses](https://www.rubin.community/t/general-questions-on-dp2-bandpasses/12734)
**Author:** [@mginolin](https://www.rubin.community/u/mginolin)\ **Replies:** 2\ **Last updated:** [September 29, 2026, 4:18pm UTC](https://www.rubin.community/t/general-questions-on-dp2-bandpasses/12734 "2026-09-29T16:18:52Z")
Hello! I had a few questions after looking at the DP2 bandpasses (accessed as shown in the tutorial notebook 204.4 204.4. Filter bandpasses — DP2): Is it possible to know which atmospheric model was used to compute th… --- ## [Rubin Science Assembly, Thu 1 Oct 2026: The Brazilian IDAC](https://www.rubin.community/t/rubin-science-assembly-thu-1-oct-2026-the-brazilian-idac/12788)
**Author:** [@jeffcarlin](https://www.rubin.community/u/jeffcarlin)\ **Replies:** 0\ **Last updated:** [September 28, 2026, 6:53pm UTC](https://www.rubin.community/t/rubin-science-assembly-thu-1-oct-2026-the-brazilian-idac/12788 "2026-09-28T18:53:13Z")
All are welcome to attend the Rubin Science Assemblies: weekly virtual sessions that focus on learning to use the Rubin data products, pipelines, and services. Date: Oct 1 2026, 9am Pacific Daylight Time (UTC-7; 2026-10… --- ## [Mask for chip edges?](https://www.rubin.community/t/mask-for-chip-edges/12737)
**Author:** [@dstn](https://www.rubin.community/u/dstn)\ **Replies:** 2\ **Last updated:** [September 27, 2026, 12:10am UTC](https://www.rubin.community/t/mask-for-chip-edges/12737 "2026-09-27T00:10:38Z")
Hi, I would like to understand what CCD area you think will be usable for processing. In the DP1 images, it appears that a 10-pixel boundary has the MP\_EDGE mask bit set. Does this mask bit mean that these pixels are … --- ## [Summit technical progress (week ending 2026-09-25)](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-09-25/12773)
**Author:** [@bstalder](https://www.rubin.community/u/bstalder)\ **Replies:** 0\ **Last updated:** [September 25, 2026, 8:48pm UTC](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-09-25/12773 "2026-09-25T20:48:56Z")
The team on Cerro Pachón spent this week continuing the planned maintenance and recovery work in parallel. We are still off sky; here is where things stand as of September 25. Power Power supply stayed stable on genera… --- ## [Welcome to rubin.community!](https://www.rubin.community/t/welcome-to-rubin-community/12763)
**Author:** [@frossie](https://www.rubin.community/u/frossie)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 11:14pm UTC](https://www.rubin.community/t/welcome-to-rubin-community/12763 "2026-09-24T23:14:50Z")
The migration of our forum from community.lsst.org to rubin.community is complete! :partying\_face: With it came a major update to the latest Discourse forum platform, so take some time to orient yourself. If you notice… --- ## [Saturation limits](https://www.rubin.community/t/saturation-limits/12649)
**Author:** [@sdcorle1](https://www.rubin.community/u/sdcorle1)\ **Replies:** 2\ **Last updated:** [September 24, 2026, 3:34pm UTC](https://www.rubin.community/t/saturation-limits/12649 "2026-09-24T15:34:53Z")
This topic was raised in 2020, but we now have some early results. The Science Book gave the LSST saturation limits as u, g, r, i, z, y = 14.7, 15.7, 15.8, 15.8, 15.3 and 13.9. I believe that I saw some recent alerts dat… --- ## [AGN DP2 light curves](https://www.rubin.community/t/agn-dp2-light-curves/12717)
**Author:** [@mmarculewicz](https://www.rubin.community/u/mmarculewicz)\ **Replies:** 1\ **Last updated:** [September 24, 2026, 2:41pm UTC](https://www.rubin.community/t/agn-dp2-light-curves/12717 "2026-09-24T14:41:17Z")
Hi, I was trying to use notebook examples to retrieve the data. I would like to follow up on the conversation we started: DP2 photometry for AGN, which has some The question is how do you usually treat the data and tr… --- ## [Request to add which time format/scale the mpc\_orbits epoch is in in the Rubin schemas](https://www.rubin.community/t/request-to-add-which-time-format-scale-the-mpc-orbits-epoch-is-in-in-the-rubin-schemas/12750)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 1\ **Last updated:** [September 23, 2026, 8:36pm UTC](https://www.rubin.community/t/request-to-add-which-time-format-scale-the-mpc-orbits-epoch-is-in-in-the-rubin-schemas/12750 "2026-09-23T20:36:00Z")
All Rubin observations use TAI but I’m pretty sure that MPC\_orbits epoch is not in TAI it’s in TT, MJD. This is explained in this nice bit of documentation, but it’s easy to get confused if you’re looking at the schema p… --- ## [Status of the Solar System Processing Searches of Pre-LSST Data/DP2 Data](https://www.rubin.community/t/status-of-the-solar-system-processing-searches-of-pre-lsst-data-dp2-data/12699)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 5\ **Last updated:** [September 23, 2026, 8:07pm UTC](https://www.rubin.community/t/status-of-the-solar-system-processing-searches-of-pre-lsst-data-dp2-data/12699 "2026-09-23T20:07:31Z")
At the RCW, we were pointed here to this website summary of Rubin MPC submissions for DP2 and pre-LSST data. Are the searches complete by the Rubin Solar System Processing team particularly for NEOs and middle Solar Sys… --- ## [Account Approval Inquiry and Assistance](https://www.rubin.community/t/account-approval-inquiry-and-assistance/12736)
**Author:** [@shildreth](https://www.rubin.community/u/shildreth)\ **Replies:** 2\ **Last updated:** [September 23, 2026, 4:06pm UTC](https://www.rubin.community/t/account-approval-inquiry-and-assistance/12736 "2026-09-23T16:06:19Z")
Hi! I seem to have run afoul of the process to get into the RSP Portal, perhaps because I typed an email address incorrectly when trying to use Google as my IdP while my own institution (a California Community College) … --- ## [UK IDAC Downtime (14th--16th September, plus at risk during 17th--18th September)](https://www.rubin.community/t/uk-idac-downtime-14th-16th-september-plus-at-risk-during-17th-18th-september/12650)
**Author:** [@george\_beckett](https://www.rubin.community/u/george_beckett)\ **Replies:** 4\ **Last updated:** [September 23, 2026, 12:23pm UTC](https://www.rubin.community/t/uk-idac-downtime-14th-16th-september-plus-at-risk-during-17th-18th-september/12650 "2026-09-23T12:23:35Z")
Dear colleagues, The UK IDAC will be unavailable from 10am BST on Monday 14th September until noon BST on Wednesday 16th September, plus will be at risk for the remainder of the week. The outage is for a major update to… --- ## [Account stuck 24hrs - Self Signup blank page after BEGIN (coef:6) - IRIS student](https://www.rubin.community/t/account-stuck-24hrs-self-signup-blank-page-after-begin-coef-6-iris-student/12735)
**Author:** [@suhanakumari1](https://www.rubin.community/u/suhanakumari1)\ **Replies:** 1\ **Last updated:** [September 22, 2026, 10:25pm UTC](https://www.rubin.community/t/account-stuck-24hrs-self-signup-blank-page-after-begin-coef-6-iris-student/12735 "2026-09-22T22:25:05Z")
Hello Rubin team, I registered at id.lsst.cloud with email suhanakumari598@gmail.com, ORCID 0009-0005-9146-6248, Institution: High School Student (ISEF). After verifying my email and clicking BEGIN on Self Signup With … --- ## [WCS headers available for a single exposure (calexp)?](https://www.rubin.community/t/wcs-headers-available-for-a-single-exposure-calexp/12716)
**Author:** [@dstn](https://www.rubin.community/u/dstn)\ **Replies:** 5\ **Last updated:** [September 21, 2026, 10:59pm UTC](https://www.rubin.community/t/wcs-headers-available-for-a-single-exposure-calexp/12716 "2026-09-21T22:59:32Z")
Hi, I understand that the DP2 calexp files won’t be released until later this year due to network capacity issues. However: releasing a tiny number of images would be extremely helpful! Even a single image would be he… --- ## [How to determine when to use trailFlux versus psfFlux for Solar System objects?](https://www.rubin.community/t/how-to-determine-when-to-use-trailflux-versus-psfflux-for-solar-system-objects/12713)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 3\ **Last updated:** [September 21, 2026, 7:01pm UTC](https://www.rubin.community/t/how-to-determine-when-to-use-trailflux-versus-psfflux-for-solar-system-objects/12713 "2026-09-21T19:01:30Z")
It is expected that even main belt asteroids will be slightly trailed in LSSTCam 30s exposure. It’s not clear how extendedness is estimated and whether something trailed by a pixel or two would be identified and flag wit… --- ## [Slow Solar System query](https://www.rubin.community/t/slow-solar-system-query/12657)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 15\ **Last updated:** [September 20, 2026, 9:24am UTC](https://www.rubin.community/t/slow-solar-system-query/12657 "2026-09-20T09:24:18Z")
Maybe my sense of how fast queries should go is way off, but I’m surprised that this query is taking nearly 40s to return back. Is there a better way to write the following to get the query to return back faster? “selec… --- ## [Summit technical progress (week ending 2026-09-18)](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-09-18/12718)
**Author:** [@bstalder](https://www.rubin.community/u/bstalder)\ **Replies:** 1\ **Last updated:** [September 19, 2026, 6:24pm UTC](https://www.rubin.community/t/summit-technical-progress-week-ending-2026-09-18/12718 "2026-09-19T18:24:06Z")
Following on from last week’s update: our pre-storm planned maintenance downtime officially began on Monday, September 14. We are still off-sky; here is where things stand as of September 18. Power. The site remains on … --- ## [DP2 photometry for AGN](https://www.rubin.community/t/dp2-photometry-for-agn/12672)
**Author:** [@mmarculewicz](https://www.rubin.community/u/mmarculewicz)\ **Replies:** 9\ **Last updated:** [September 18, 2026, 7:22pm UTC](https://www.rubin.community/t/dp2-photometry-for-agn/12672 "2026-09-18T19:22:08Z")
Hi, I’ve been working on DP2, searching for light curves of AGN. I checked known AGN from Boutsia et al. (2009) using the official DP2 tutorial. Variability-selected AGN in ECDFS from Boutsia et al. (2009) I found t… --- ## [Request for IDAC OIDC](https://www.rubin.community/t/request-for-idac-oidc/11641)
**Author:** [@alec\_b612](https://www.rubin.community/u/alec_b612)\ **Replies:** 19\ **Last updated:** [September 18, 2026, 7:01pm UTC](https://www.rubin.community/t/request-for-idac-oidc/11641 "2026-09-18T19:01:02Z")
@rra @frossie Hi Rubin team, We reviewed RTN-003 and related authentication/authorization guidance (including DMTN-253), and we’re implementing our cutout workflow to be compliant for proprietary Rubin data access as a… [Next page](https://www.rubin.community/latest.md?page=1)