David's Astronomy Pages CCD Images - Session 914 (2021-09-19)

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Objects	Session Notes
Nova Cas 2021 - Nova (V1405 Cas) Nova Per 2020 - Nova (V1112 Per, AT2020abap) TBA           Variable Stars (photometric monitoring) - SS Cyg      Nearby Stars (astrometric monitoring) - HH And	- Late Evening Session (2.8 hours). - Session finished early due to cloud - Main aims of the session were to acquire a selection of targets as conditions allowed - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 13.5°C (min) - CCD Temperature:  -5°/-10°C - Notes from 2021-09-19 >>    [ Local Files >> ]   -

Nova Per 2020 - Nova (V1112 Per, AT2020abap)

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per

Nova Per 2020 - 2021-09-20 (T+298.3d) Image below (2021-09-20.144) was taken 298.3 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +15.35 (falling slowly)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-09-20 03:33 UT (#914188-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Per 2020 on Novae Page >>

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Nova Cas 2021 - Nova (V1405 Cas)

Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236,  by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas

Nova Cas 2021 / AT2021hkn - 2021-09-19 (T+185.5d) Image below (2021-09-19.911) was taken 185.5 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +7.61 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-19 21:54 UT (#914005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-19 (T+185.5d)

Spectra produced in AstroMain using Image taken with Star Analyser 200 3 x 30s exposure (average combine), 2x2 binning, S Filter 2021-09-19 21:56 UT (#914010-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Cas 2021 on Novae Page >>

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