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 Images - Session 1280 (2024-12-09)

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Objects Session Notes
Bullet AT 2024aart - Type HPM Transient
   
Bullet M85 - Elliptical Galaxy with SN 2020nlb
   
Bullet NGC 1275 - Spiral Galaxy with Type IIP Supernova 2024xav
   
   
   
Bullet Variable Stars (photometric monitoring)
- BL Lac
   
Bullet Nearby Stars (astrometric monitoring)
- Teegardens Star
  
- Post-Midnight session (5.8 hr), interrupted and affected by 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 2024-12-09 >>
   
-
   

Observing Result

Image

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AT 2024aart - Type HPM Transient

AT 2024aart (Virgo)
AT 2024aart (Type: HPM) discovered 2024-11-06.538 UT by ZTF
Alias: ZTF24abrirct, LP 675-8
Alerting Magnitude 14.18 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 19.90
 ( TNS 2024aart )
 
AT 2024aart - 2024-12-10 (T+33.8d)
Image below (2024-12-10.289) was taken 33.8 days after discovery of 2024aart
Position of reported transient (distinct but fading ?) is shown by white cross-hairs 
Measured Magnitude +14.37 (Clear Filter)

Image
Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-12-10 07:02 UT (#1280046-48)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2024aart on Transients 2024 Page >>

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M85 - Elliptical Galaxy

M85 (Coma Berenices)
   [ Messier Objects ]
Image
Annotated CCD Image (100% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-12-10 05:05 UT (#1280039-40)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
M85 - Detail
Image
Annotated CCD Image (70% size, square root scale, cropped)
Image details as above
 
 

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NGC 1275 - Spiral Galaxy with Type IIP Supernova 2024xav

NGC 1275 with SN 2024xav (Perseus)
SN 2024xav (Type: IIP) discovered 2024-09-30.036 UT by GOTO
Alias: GOTO24gor, ATLAS24otv
Discovery Magnitude 18.63 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.2
 ( TNS 2024xav )
 
NGC 1275 with SN 2024xav - 2024-12-10 (T+71.0d)
 Image below (2024-12-10.077) was taken 71.0 days after discovery of 2024xav
Position of reported transient (not visible) is shown by white cross-hairs 
Poor image (single frame due to bad guiding)

Image
Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2024-12-10 01:51 UT (#1280027)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 1275 with SN 2024xav - Earlier Image, 2024-10-05 (T+5.9d)
Image below (2024-10-05.981) was taken 5.9 days after discovery of 2024xav
Position of reported transient (faint) is shown by white cross-hairs 
Estimated Magnitude +16.5 (Clear Filter)
(Note : SN 2024xav is labelled as AT 2024xav here)

Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-05 23:42 UT (#1251051-55)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2024xav (in NGC 1275) on Supernovae 2024 Page >>

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This Web Page: Images - Session 1280 (2024-12-09)
Last Updated : 2025-01-21
Site Owner : David Richards
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