David's Astronomy Pages CCD Images - Session 906 (2021-08-22)

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Objects	Session Notes
NGC 4896 - Elliptical Galaxy with Type Ia Supernova 2021wad NGC 6184 - Spiral Galaxy with Type Ia Supernova 2021wkv     Variable Stars (photometric monitoring) - R CrB - U And attempt failed (poor sky transparency)     Nearby Stars (astrometric monitoring) - 61 Cyg	- Evening Session (2.4 hours). - Main aims of the session were to acquire a selection of targets as conditions allowed. - Session finished early due to cloud. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 14°C (min) - CCD Temperature:  -5°/-10°C - Notes from 2021-08-22 >>    [ Local Files >> ]   -

NGC 4896 - Elliptical Galaxy with Type Ia Supernova 2021wad

NGC 4896 with SN2021wad (Coma Berenices) SN 2021wad (Type: Ia, zhost=0.019864) discovered 2021/08/15.261 UT by ATLAS Alias: ATLAS21bgbp, Gaia21duy Magnitude +17.68 at discovery  (Rochester Supernova site, Gaia21duy )

NGC 4896 with SN2021wad - 2021-08-22 (T+7.6d) Image below (2021-08-22.894) was taken 7.6 days after discovery of 2021wad SN position is shown by white cross-hairs. Measured mag ?  (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-22 21:37 UT (#906005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021wad (NGC 4896) on Supernovae 2021 Page >>

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NGC 5513 - Spiral Galaxy with Type Ia Supernova 2021wqi

NGC 5513 with SN 2021wqi (Bootes) SN 2021wqi : Type Ia (z=0.016724) discovered 2021/08/20.214 UT by Gaia Alias: Gaia21dxe Discovery Magnitude +17.68  (Rochester Supernova site, Gaia21duy )

NGC 5513 with SN 2021wqi - 2021-08-22 (T+2.7d) Image below (2021-08-22.910) was taken 2.7 days after discovery of 2021wqi SN position is close to center of galaxy and is not individually recognisable Measured mag ?  (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-22 22:00 UT (#906012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021wqi (NGC 5513) on Supernovae 2021 Page >>

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