David's Astronomy Pages CCD Images - Session 878 (2021-03-31)

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NGC 5018 - Elliptical Galaxy with Type Ia Supernova 2021fxy NGC 3310 - Spiral Galaxy (Herschel IV-60) with SN 2021gmj TBA     Variable Stars (photometric monitoring) - None     Nearby Stars (astrometric monitoring) - None

- All Night session (1.4 hours) - Main aims of the session were to acquire a selection of variable star, nearby star and comet targets and deep sky targets as cloud allowed - Session start delayed by show-stopping issue with AstroMain program vn 3.38.11.  After dropping back to 3.38.10 session commenced but was quickly cut short by developing cloud. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 1°C (min) - CCD Temperature:  -20°/-25°C - Notes from 2021-03-31 >>    [ Local Files >> ]   -

NGC 5018 - Elliptical Galaxy with Type Ia Supernova 2021fxy

NGC 5018 with SN2021fxy (Virgo) SN 2021fxy (Type: Ia) discovered 2021/03/17.725 UT by Koichi Itagaki  ( Rochester Supernova site | Discovery Image | Paolo Campaner image )

NGC 5018 with SN2021fxy - 2021-04-01 (T+14.3d) Image below (2021-04-01.010) was taken 14.3 days after discovery of 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 13.8

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 00:24 UT (#878018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021fxy (NGC 5018) on Supernovae 2021 Page >>

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NGC 3310 - Spiral Galaxy  (Herschel IV-60) with Type II Supernova 2021gmj

NGC 3310 / Herschel IV-60 with SN2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq  ( Rochester Supernova site |  Gianluca Masi image)

NGC 3310 with SN2021gmj - 2021-04-01 (T+11.7d) Image below (2021-04-01.026) was taken 11.7 days after discovery of 2021gmj SN position indicated by white cross-hairs.   Magnitude ?

CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 00:45 UT (#878026-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021gmj (NGC 3310) on Supernovae 2021 Page >>

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