David's Astronomy Pages
CCD Images - Session 871 (2021-03-16)

Objects Session Notes
Bullet 398P/Boattini - Comet
   
Bullet Nova Per 2020 - Nova (V1112 Per, AT 2020abap)
   
Bullet AT 2021ckv - Type YSO Transient  (GCVS PR Ori)
   
Bullet M31 - Spiral Galaxy with Extragalactic Nova AT 2021fbz
   
Bullet NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz
Bullet NGC 4631 - Spiral Galaxy with Type LRN Transient AT 2021biy
   
Bullet SN 2021xn - Type Ia Supernova in PGC 6041
   
Bullet UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq
Bullet UGC 5829 - Irregular Galaxy with LBV Transient AT 2021blu
Bullet UGC 7607 - Spiral Galaxy (PGC 41088)
   
  - NGC 3515 &  UGC 8067 attempts failed (due to cloud)
   
Bullet Variable Stars (photometric monitoring)
- RZ LMi

   
Bullet Nearby Stars (astrometric monitoring)
- None
  
  - CN Leo attempt failed (due to cloud)
   
- Evening session (4.9 hours)
- Session cut short by development of cloud which lasted until dawn.
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 4°C (min)
- CCD Temperature:  -15°/20°C
- Notes from 2021-03-16 >>
   [ Local Files >> ]  
-  
   

398P/Boattini - Comet

398P/Boattini
(passing through Gemini)
Sun Distance 1.58 AU (receeding)
Earth Distance 0.89 AU (132.7 million km)
Comet very faint, indicated by white cross-hairs
   398P/Boattini - 2021-03-16, Detail
Alias: P/2020 P2 (Boattini)
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 95.65 arcsec/hr, Dec 5.40 arcsec/hr)
Comet indicated by white cross-hairs
Image   Image
Annotated CCD Image (50% size, square root scale)
5 x 45s exposure (average combine), 3x3 binning, C Filter
2021-03-16 21:59 UT (#871040-44)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, square root scale, cropped)
Image details as left
     
Images of 398P/Boattini on Comets 2020 Page >>    

  

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Nova Per 2020 - Nova (V1112 Per, AT 2020abap)

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
AT 2020abap (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 - 2021-03-16 (T+111.1d)
Image below (2021-03-16.892) was taken 111.1 days after discovery of Nova
Nova is shown by white cross hairs.  Measured magnitude +14.84
Image
CCD Image (100% size, linear scale, cropped)
5 x 90s exposure (average combine), 3x3 binning, C Filter
2021-03-16 21:29 UT (#871031-35)
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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AT 2021ckv - Type YSO Transient  (GCVS PR Ori)

AT 2021ckv / PR Ori  (Orion)
AT 2021ckv (Type: YSO) discovered 2021/02/08.759 UT by Gaia
Alias: Gaia21arx, GCVS PR Ori
[ Gaia21arx ]
[ YSO Transients ]
 
AT 2021ckv - 2021-03-16 (T+36.1d)
Image below (2021-03-16.880) was taken 36.1 days after discovery of 2021ckv
Position of reported YSO Type Transient is shown by white cross-hairs.
Measured Magnitude +11.10
(vs normal range of +12.2 to +13.6)
Image
Annotated CCD Image  (50% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 21:16 UT (#871025-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2021ckv (PR Ori) on Transients 2021 Page >>

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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 (T+8.5d)
Position of EGN is shown by white cross hairs. 
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 20:51 UT (#871017-20)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
M31 with Nova 2021fbz - 2021-03-16 (T+8.5d)
Image below (2021-03-16.864) was taken 8.5 days after discovery of 2021fbz
Position of EGN (very faint) is shown by white cross hairs. 
Image
Annotated CCD Image  (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 20:51 UT (#871017-20)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
M31 with Nova 2021fbz - Negative (T+8.5d)
Position of EGN (very faint) is shown by black cross hairs. 
Image
Annotated negative CCD Image (150% size, square root scale, cropped)
Image details as above
 
Images of EGN 2021fbz (M31) on Transients 2021 Page >>

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NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz

NGC 4227 with SN 2021biz (Canes Venatici)
SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS
Alias: ATLAS21dfz
 (Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image )
  
NGC 4227 with SN 2021biz - 2021-03-16 (T+46.4d)
Image below (2021-03-16.983) was taken 46.4 days after discovery of 2021biz
SN shown by white cross hairs.  Measured magnitude +16.88 (unchanged)
Image
Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 23:47 UT (#871096-99)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021biz (NGC 4227) on Supernovae 2021 Page >>

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NGC 4631 - Spiral Galaxy with Type LRN Transient AT 2021biy

NGC 4631 with AT 2021biy (Canes Venatici)
AT 2021biy (Type: LRN) discovered 2021/01/29.559 UT by ATLAS
Alias: ATLAS21dfy (Discovery Note)
 (Rochester Supernova site | Odd Trondal image | Nick James image )

LRN = Luminous Red Nova [ LRN Transients ]
 
NGC 4631 with AT 2021biy - 2021-03-14 (T+44.4d)
Image below (2021-03-14.924) was taken 44.4 days after discovery of 2021biy
LRN (very faint) is shown by white cross hairs. 
Very poor quality image (due to poor guiding)
Image
Annotated CCD Image  (100% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-14 22:21 UT (#870022-26)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2021biy (NGC 4631) 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 - 2021-03-16 (T+65.8d)
Image below (2021-03-16.944) was taken 65.8 days after discovery of 2021xn
SN (indistinct) is shown by white cross hairs. 
Image
Annotated CCD Image  (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 22:50 UT (#871061-65)
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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UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq

UGC 5760 with SN 2020zoq (Leo)
SN 2020zoq (Type II, z=0.0, zhost=0.010040) discovered 2020/11/14.561 by ASAS-SN
Discovery Magnitude +17.5 (g-Sloan)
 (Rochester Supernova site | Discovery Image | TNS 2020zoq )
 
UGC 5760 with SN 2020zoq - 2021-03-16 (T+122.4d)
Image below (2021-03-16.960) was taken 122.4 days after discovery of 2020zoq
Position of SN (very faint) is shown by white cross hairs.
Image
Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-16 23:11 UT (#871070-74)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 5760 with SN 2020zoq - Earlier Image 2020-11-22 (T+11.7d)
Image below (2020-11-26.219) was taken 11.7 days after discovery of SN 2020zoq
SN is shown by white cross hairs.   Measured magnitude +15.75
Image
Annotated CCD Image  (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-11-26 05:16 UT (#833235-39)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020zoq (UGC 5760) on Supernovae 2020 Page >>

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UGC 5829 - Irregular Galaxy (Spider Galaxy) with Type LBV Transient AT 2021blu

UGC 5829 with LBV 2021blu (Leo Minor)
AT 2021blu (Type: LBV) discovered 2021/02/01.467 UT by ATLAS
Alias: ATLAS21dic, ZTF21aagppzg
 [ Irregular Galaxies ]
 
UGC 5829 with LBV 2021blu - 2021-03-16 (T+43.5d)
Image below (2021-03-16.998) was taken 43.5 days after discovery of 2021blu
LBV is indicated by white cross-hairs. Measured magnitude +17.68
Image
Annotated CCD Image  (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-17 00:06 UT (#871102-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of LBV 2021blu  (UGC 5829) on Transients 2021 Page >>

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UGC 7607 - Spiral Galaxy (PGC 41088)

UGC 7607 (Virgo)
Alias: PGC 41088
Flat Galaxy Atlas
 [ Flat Galaxies
Poor quality image (bright sky / uneven offset illumination)
Target to be rescheduled for a future session
Image
Annotated CCD Image  (100% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2021-03-17 00:47 UT (#871117-20)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 [ See Later Image (2023-01-02) ]

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