David's Astronomy Pages
CCD Images - Session 896 (2021-05-07)

Objects Session Notes
Bullet Nova Cas 2021 - Nova (V1405 Cas)
Bullet TBA
   
Bullet Variable Stars (photometric monitoring)
- None
   
Bullet Nearby Stars (astrometric monitoring)
- 61 Cyg
  
   
- Night session (5.6 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
- Poor quality skies
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 2°C (min)
- CCD Temperature:  -20°C
- Notes from 2021-05-07 >>
   [ Local Files >> ]  
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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 - 2021-05-08 (T+50.6d)
Image below (2021-05-08.067) was taken 50.6 days after after discovery of Nova
Nova is shown by white cross hairs.  Measured magnitude +8.13
Note: star object is saturated and shows significant blooming, mag is likely to be underestimated
(linked with Detection Threshold = 50)
Image
CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, C Filter
2021-05-08 01:39 UT (#896068-72)
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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