David's Astronomy Pages CCD Images - Session 872 (2021-03-17)

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Images (S873)

Objects	Session Notes
M31 - Spiral Galaxy with Extragalactic Nova AT 2021fbz SN 2021xn - Type Ia Supernova in PGC 6041       - NGC 304 attempt failed (due to cloud ?)     Variable Stars (photometric monitoring) - None     Nearby Stars (astrometric monitoring) - None	- All Night session (8.2 hours) - Session badly affected by cloud,  Only 2 targets were acquired (and only partly completed) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6°C (min) - CCD Temperature:  -15°/20°C - Notes from 2021-03-17 >>    [ Local Files >> ]   -

M31 - Spiral Galaxy with Extragalactic Nova AT 2021fbz

M31 with Nova 2021fbz (Andromeda) AT 2021fbz (Type: EGN) discovered 2021/03/08.397 UT by Koichi Itagaki Alias: PNV J00434013+4127123, XN03JR Discovery Magnitude 16.5  (Rochester Supernova site | TNS 2021fbz  | Discovery Image )

M31 with Nova 2021fbz - 2021-03-17 (T+9.5d) Image below (2021-03-17.865) was taken 9.5 days after discovery of 2021fbz Position of EGN (very faint) is shown by white cross hairs.  Poor quality image (developing cloud  / single frame )

Annotated CCD Image  (100% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-17 20:48 UT (#872009) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of EGN 2021fbz (M31) on Transients 2021 Page >>

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SN 2021xn - Type Ia Supernova in PGC 6041

SN 2021xn (Perseus) Faint Galaxy (PGC 6041, SDSS J013751.16+533958.8, catalog mag +16.1) with Type Ia Supernova [ Supernovae ] SN 2021xn (Type: Ia) discovered 2021/01/10.158 UT by ZTF Alias: ZTF21aacvhsc  (Rochester Supernova site | Claudio Balcon image  )

SN 2021xn - 2021-03-17 (T+66.7d) Image below (2021-03-17.895) was taken 66.7 days after discovery of 2021xn SN (indistinct) is shown by white cross hairs.  Poor quality image (developing cloud  / single frame )

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-17 21:32 UT (#872018) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021xn (PGC 6041) on Supernovae 2021 Page >>

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