# Supernova SN 2026aaiv in NGC 7331

**URL:** <https://discourse.okcastro.club/t/supernova-sn-2026aaiv-in-ngc-7331/1804>\
**Category:** Events\
**Created:** [September 17, 2026, 4:14pm UTC](https://discourse.okcastro.club/t/supernova-sn-2026aaiv-in-ngc-7331/1804 "2026-09-17T16:14:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DaveNH6SM](https://discourse.okcastro.club/user_avatar/discourse.okcastro.club/davenh6sm/32/112_2.png) [@DaveNH6SM](https://discourse.okcastro.club/u/DaveNH6SM)\
**Post date:** [September 17, 2026, 4:14pm UTC](https://discourse.okcastro.club/t/supernova-sn-2026aaiv-in-ngc-7331/1804/1 "2026-09-17T16:14:16Z")

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![SN2026aaiv_infographic_EN_2026-09-03](https://discourse.okcastro.club/uploads/default/original/2X/4/44acdfac501a3a45957e9660205cc4144c29d51f.jpeg)  
Tried this one last night with my S50. Looks like it got a lot brighter since Sep 3rd.  
 ![Enhanced_Stacked_547_NGC 7331_10.0s_IRCUT_20260917-003517](https://discourse.okcastro.club/uploads/default/original/2X/8/8f415a5d1ed09d7a41c0561a942d34c470ee1d3a.jpeg)

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**Author:** ![Zyllos](https://discourse.okcastro.club/user_avatar/discourse.okcastro.club/zyllos/32/2549_2.png) [@Zyllos](https://discourse.okcastro.club/u/Zyllos)\
**Post date:** [September 18, 2026, 3:24am UTC](https://discourse.okcastro.club/t/supernova-sn-2026aaiv-in-ngc-7331/1804/2 "2026-09-18T03:24:31Z")

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That is pretty awesome that the S50 can resolve those individual stars/events within the galaxy like that.

I wonder if the image you are capturing could be useful in magnitude calculations for Type Ia supernova?

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**Author:** ![BradF](https://discourse.okcastro.club/letter_avatar_proxy/v4/letter/b/cab0a1/32.png) [@BradF](https://discourse.okcastro.club/u/BradF)\
**Post date:** [September 18, 2026, 3:43am UTC](https://discourse.okcastro.club/t/supernova-sn-2026aaiv-in-ngc-7331/1804/3 "2026-09-18T03:43:52Z")

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The AAVSO is currently working on magnitude image calibration for smart scopes.