David's Astronomy Pages
CCD Images - Session 854 (2021-01-23)

Objects Session Notes
Bullet UGC 784 - Spiral Galaxy with Type Ia Supernova 2021pc
Bullet SN 2021xn - Type Ia Supernova in PGC 6041
Bullet 398P/Boattini - Comet
Bullet AT 2021apb - CV Transient
Bullet C/2019 L3 (ATLAS) - Comet
Bullet UGC 1436 - Spiral Galaxy with Type Ia Supernova 2021nv
Bullet UGC 2528 - Spiral Galaxy with Type IIb Supernova 2020adnx
Bullet NGC 3718 - Spiral Galaxy
Bullet NGC 684 - Spiral Galaxy with Type II Supernova 2021ass
Bullet AT 2021rl - BL Type Transient (QSO 0954+658)
Bullet Nova Per 2020 - Nova (V1112 Per, AT2020abap)
Bullet KUG 0830+278 - Galaxy with Type  Ic-BL Supernova 2020adow
Bullet UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq
Bullet NGC 4414 - Spiral Galaxy with Type Ia Supernova 2021J
Bullet NGC 2782 - Spiral Galaxy (ARP 215) with Type Ia Supernova 2020scc
Bullet KUG 1206+328 - Spiral Galaxy with Type Ia Supernova 2020aeps
Bullet NGC 4151 - Spiral Galaxy with AGN Outburst
Bullet NGC 4156 - Spiral Galaxy
Bullet UGC 10310 - Spiral Galaxy (ARP 2)
Bullet NGC 4244 - Spiral Galaxy (Caldwell 26)
Bullet NGC 4454 - Spiral Galaxy with Type Ia Supernova 2020abgq
   
Bullet Variable Stars (photometric monitoring)
- RX And, U And, TT Ari, AM CVn, SY Cnc,R CrB, AM Her, SS Her, RZ LMi, BL Lac, U Mon, CN Ori, FU Ori, NV Ori, DY Per, GK Per, RR Tau, ER UMa

   
Bullet Nearby Stars (astrometric monitoring)
- HH And, DX Cnc, Groombridge 34, LAMOST-HVS1, CN Leo, Scholz' Star, Teegardens Star
  
   
- All Night session (12.7 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/showers allowed.
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: -5°C (min)
- CCD Temperature:  -30°C
- Notes from 2021-01-23 >>
    
-  
   

UGC 784 - Spiral Galaxy with Type Ia Supernova 2021pc

UGC 784 with SN 2021pc Cetus)
[ Supernovae 2021 ]
SN 2021pc (Type: Ia) discovered 2021/01/07.160 UT by ZTF
Magnitude +18.3 at discovery
Alias: ZTF21aabpszb, Gaia21adm
 (Rochester Supernova site | TNS | )
 
UGC 784 with SN 2021pc - 2021-01-23 (T+16.6d)
Image below (2021-01-23.756) was taken 16.6 days after discovery of 2021pc
SN is shown by white cross hairs.  Measured Magnitude +15.4
Image
Annotated CCD Image  (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-23 18:18 UT (#854003-07)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021pc (UGC 784) on Supernovae 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  )
 
PGC 6041 with SN 2021xn - 2021-01-22 (T+12.6d)
Image below (2021-01-22.762) was taken 12.6 days after discovery of 2021xn
SN is shown by white cross hairs.  Measured Magnitude +15.6
(magnitude based on WCS link on cropped image using GSC stars)
(too many stars for full frame WCS Link using UCAC stars)
Image
Annotated CCD Image  (150% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-22 18:26 UT (#853015-19)
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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398P/Boattini - Comet

398P/Boattini
(passing through Orion)
Sun Distance 1.34 AU (receeding)
Earth Distance 0.45 AU (67.0 million km)
Measured Magnitude ?  (coma)
   398P/Boattini - 2021-01-23, Detail
Alias: P/2020 P2 (Boattini)
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 78.02 arcsec/hr, Dec 82.77 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 45s exposure (average combine), 3x3 binning, C Filter
2021-01-23 19:35 UT (#854045-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, square root scale, cropped)
6 x 45s exposure (average combine), 3x3 binning, C Filter
2021-01-23 19:37 UT (#854045-51)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of 398P/Boattini on Comets 2020 Page >>    

  

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AT2021apb - CV Transient

AT2021apb (CV)  (Cassiopeia)
AT2021apb (Type: CV) discovered 2021/01/15.584 UT by Gaia
Alias: Gaia21agx
 
AT2021apb (CV) - 2021-01-23 (T+8.2d)
Image below (2021-01-23.824) was taken 8.2 days after discovery of 2021apb
? Candidate CV is shown by white cross hairs.  
Measured magnitude +16.2 vs catalog mag +15.0
Image
CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, C Filter
2021-01-23 19:50 UT (#854055-59)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS)
(passing through Cassiopeia)
Sun Distance 4.73 AU (approaching)
Earth Distance 4.61 AU (689.0 million km)
   C/2019 L3 (ATLAS)  - 2021-01-23, Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 45.91 arcsec/hr, Dec -14.07 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
3 x 45s exposure (average combine), 3x3 binning, C Filter
2021-01-23 20:18 UT (#854079-81)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, square root scale, cropped)
7 x 45s exposure (average combine), 3x3 binning, C Filter
2021-01-23 20:19 UT (#854079-85)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2019 L3 (ATLAS) on Comets 2020 Page >>    

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UGC 1436 - Spiral Galaxy with Type Ia Supernova 2021nv

UGC 1436 with SN 2021nv (Aries)
[ Supernovae 2021 ]
SN 2021nv (Type: Ia) discovered 2021/01/07.263 UT by ATLAS
Magnitude +17.8 at discovery
Alias: ATLAS21aqr
 (Rochester Supernova site | Claudio Balcon image | )
 
UGC 1436 with SN 2021nv - 2021-01-23 (T+16.6d)
Image below (2021-01-23.876) was taken 16.6 days after discovery of 2021nv
SN is shown by white cross hairs.  Measured Magnitude +16.0
Image
Annotated CCD Image  (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-23 21:12 UT (#854119-23)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021nv (UGC 1436) on Supernovae 2021 Page >>
 

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UGC 2528 - Spiral Galaxy with Type IIb Supernova 2020adnx

UGC 2528 with SN 2020adnx (Perseus)
Spiral Galaxy with Type IIb Supernova
 [ Supernovae ]

SN 2020adnx (Type IIb,  zhost=0.021001)  discovered 2020-12-24.859 UT by MASTER
Alias: MASTER OT J030555.49+413631.1, ATLAS20bjhy, Gaia20fxw
 ( Rochester Supernova site | Gianpiero Locatelli image )
 
 
UGC 2528 with SN 2020adnx - 2021-01-23 (T+30.0d)
Image below (2021-01-23.892) was taken 30.0 days after discovery of 2020adnx
SN is shown by white cross hairs.  Estimated Magnitude  ~ +18.0
Poor quality image due to bright background sky
Image 
CCD Image  (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-23 21:33 UT (#854126-30)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020adnx (UGC 2528) on Supernovae 2020 Page >>
 

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NGC 3718 - Spiral Galaxy

NGC 3718 (Ursa Major)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-23 22:44 UT (#854172-76)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3718 - Detail
Image
CCD Image (100% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (100% size, square root scale, cropped)
Image details as above
 
NGC 3718 -  Earlier Image (Oct 2013)
Image
Annotated CCD Image (cropped)
5 x 120 sec exposure (average combine), 3x3 binning, C Filter
2013-10-12 22:19hUT (#548217-21)
12" LX200R  (at f/9.7) + ST-10XME
 
NGC 3718 -  Earlier Image (2010)
Image
CCD Image (50% size)
180s exposure (single frame), 3x3 binning, C Filter
2010-11-14  00:15h UT (#436102)
12" LX200R  (at f/9.7) + ST-10XME
 

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NGC 684 - Spiral Galaxy with Type II Supernova 2021ass

NGC 684 with SN 2021ass (Triangulum)
Spiral Galaxy with Type II Supernova
[ Supernovae ]

SN 2021ass (Type: II) discovered 2021/01/18.145 UT by ZTF
Alias: ZTF21aafepon
 (Rochester Supernova site | Giancarlo Cortini image  )
 
NGC 684 with SN 2021ass - 2021-01-23 (T+5.8d)
Image below (2021-01-23.956) was taken 5.8 days after discovery of 2021ass
SN is shown by white cross hairs.  Magnitude ?
Relatively poor quality image due to bright sky background
Image
Annotated CCD Image  (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-23 23:03 UT (#854180-83)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021ass (NGC 684) on Supernovae 2021 Page >>

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AT2021rl - BL Type Transient (QSO 0954+658)

AT2021rl (Ursa Major)
BL Type Transient, QSO 0954+658, 6C 095456+654857

AT2021rl (Type: BL) discovered 2021/01/06.449 UT by Gaia
Alias: Gaia21acz
 
AT2021rl - 2021-01-24 (T+17.6d)
BL Type object shown by white cross hairs.
Image
Annotated CCD Image  (50% size, linear scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 00:28 UT (#854245-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2021rl - 2021-01-24 (T+17.6d)
Image below (2021-01-24.013) was taken 17.6 days after discovery of 2021rl
BL Type object shown by white cross hairs. 
Measured magnitude +14.1  (vs catalog mag of +15.5)
Image
Annotated CCD Image  (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 00:28 UT (#854245-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2021rl  (QSO 0954+658) on Transients 2021 Page >>

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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 - 2021-01-24 (T+59.2d)
Image below (2021-01-24.028) was taken 59.2 days after discovery of Nova
Nova is shown by white cross hairs.  Measured magnitude +13.9
Image
CCD Image (100% size, linear scale, cropped)
5 x 90s exposure (average combine), 3x3 binning, C Filter
2021-01-24 00:45 UT (#854252-56)
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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KUG 0830+278 - Galaxy with Type Ic-BL Supernova 2020adow

KUG 0830+278 (Cancer)
SN 2020adow (Type: Ic-BL) discovered 2020-12-26.410 UT by ASAS-SN
Alias: ASASSN-20qj
 (Rochester Supernova site | Andrea Mantero image | )
 
KUG 0830+278 with SN 2020adow - 2021-01-24 (T+28.6d)
Image below (2021-01-24.047) was taken 28.6 days after discovery of 2020adow
SN is shown by white cross hairs.  Magnitude +15.4
Image
Annotated CCD Image  (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 01:16 UT (#854271-75)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020adow (KUG 0830+278) on Supernovae 2020 Page >>
 

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UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq

UGC 5760 w/SN 2020zoq (Leo)
SN 2020zoq (Type II, z=0.0, zhost=0.010040) discovered 2020/11/14.561 by ASAS-SN
 (Rochester Supernova site | Discovery Image | )
 
 
UGC 5760 w/SN 2020zoq - 2021-01-24 (T+70.5d)
Image below (2021-01-24.068) was taken 70.5 days after discovery of 2020zoq
SN is shown by white cross hairs.  Measured magnitude +16.0
Image
CCD Image  (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 01:47 UT (#854288-92)
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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NGC 4414 - Spiral Galaxy with Type Ia Supernova 2021J

NGC 4414 (Coma Berenices)
SN 2021J (Type Ia, z=0.0024) discovered 2021/01/01.489 UT by ZTF
Alias: ZTF21aaabvit
Mag +13.97 at discovery
 (Rochester Supernova site | Jean-Claude Merlin image | )
 
NGC 4414 with SN2021J - 2021-01-24 (T+22.6d)
Image below (2021-01-24.092) was taken 22.6 days after discovery of 2021J
SN is shown by white cross hairs.  Magnitude ?
Image
Annotated CCD Image  (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 02:22 UT (#854311-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021J (NGC 4414) on Supernovae 2021 Page >>

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NGC 2782 - Spiral Galaxy (ARP 215) with Type Ia Supernova 2020scc

NGC 2782 with SN 2020scc (Lynx)
SN 2020scc (Type Ia, z=0.008483) discovered 2020/08/20.915 by Xingming Observatory Sky Survey (XOSS)
 ( Rochester Supernova site | Discovery image | )
 
NGC 2782 with SN 2020scc - 2021-01-24 (T+156.2d)
Image below (2021-01-24.122) was taken 156.2 days after discovery of 2020scc
SN position is shown by white circle.  SN has faded so far that it is now hardly visible.
Image
Annotated CCD Image (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 03:03 UT (#854341-44)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020scc (NGC 2782) on Supernovae 2020 Page >>
 

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KUG 1206+328 - Spiral Galaxy with Type Ia Supernova 2020aeps

KUG 1206+328 with SN 2020aeps (Coma Berenices)
SN 2020aeps (Type: Ia) discovered 2020/12/29.904 UT by XOSS
Alias: XM25HT, ZTF20adagenq, Gaia21adn
 (Rochester Supernova site | Discovery Image  )
 
 
KUG 1206+328 with SN2020aeps - 2021-01-24 (T+25.3d)
Image below (2021-01-24.163) was taken 25.3 days after discovery of 2020aeps
SN is shown by white cross hairs.  Measured magnitude +16.0
Image
CCD Image  (150% size, square root scale, cropped)
5 x 120s exposure (average combine), 3x3 binning, C Filter
2021-01-24 04:02 UT (#854365-69)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020aeps (KUG 1206+328) on Supernovae 2020 Page >>
 

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NGC 4151 - Spiral Galaxy with AGN Outburst

NGC 4151 with AT2021baf (Canes Venatici)
AT2021baf (Type: AGN) discovered 2021/01/22.151 UT by Gaia
Alias: Gaia21aki (Gaia alert came when AGN reached mag +12.2)
 ( Gaia21aki  )
 
 
NGC 4151, Seyfet Galaxy
with surrounding objects of interest
Galaxy NGC 4156,  bright star HIP 59295 (mag +8.1) and variable star AZ Cvn
Image
CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 04:20 UT (#854372-75)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 4151 - 2021-01-24 (T+2.0d)
Image below (2021-01-24.175) was taken 2.0 days after reported AGN  2021baf
Measured magnitude +11.6 (nucleus)
Image
CCD Image  (100% size, square root scale, cropped)
Image details as above
 
NGC 4151 - Earlier Image (2006)
Image
CCD Image  (100% size)
5 x 180s exposure (average combine), 2x2 binning, C Filter
2006-12-20 03:42h UT (#167438-42)
8" LX200 Classic + ST-7E
 
 

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NGC 4156 - Spiral Galaxy

NGC 4156  (Canes Venatici)
Image showing position relative to large neighbour NGC 4151
bright star is HIP 59295 (mag +8.1)
Image
CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 04:20 UT (#854372-75)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 4156 - detail
Image
CCD Image  (150% size, square root scale, cropped)
Image details as above
 
Image
Annotated CCD Image  (150% size, square root scale, cropped)
Image details as above
 
 

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UGC 10310 - Spiral Galaxy  (ARP 2)

UGC 10310   (Hercules)
Aliases  ARP 2 ,  PGC 57678
Total Exposure 6 mins
Poorer quality image than one acquired in 2019
due to poorer sky conditions and shorter total exposure
Image
CCD Image (50% size)
2 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 05:24 UT (#854381-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 10310 - Earlier Image (Feb 2019)
Total Exposure 12 mins
Image
CCD Image (50% size)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2019-02-06 06:21 UT (#658004-07)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 10310 - Earlier Detail (Feb 2019)
Bright star on right hand side of image is GSC 3492:121 (+10.6 mag)
Image
CCD Image (100% size, cropped)
Image details as above

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NGC 4244 - Spiral Galaxy (Caldwell 26)

NGC 4244 (Canes Venatici)
Alias: Caldwell 26
Image
CCD Image (70% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 06:01 UT (#854403-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Image
Negative CCD Image (70% size, square root scale)
Image details as above
 
Image 
CCD Image (50% size, square root scale)
Image details as above
 
Image 
False Color CCD Image (50% size, square root scale)
Inverse Spectrum
Image details as above
 
NGC 3718 -  Earlier Image (Mar 2007)
Image
CCD Image (100% size, linear scale)
5 x 180s exposure (average combine), 2x2 binning, C filter
2007-03-03  23:46h UT (#180385-89)
8" LX200 Classic + ST-7E
 
NGC 3718 -  Earlier False Colour Image (Mar 2007)
Image
False Colour CCD Image  (100% size, square root scale)
False Colour (inverse spectrum)
Image details as above
 

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NGC 4454 - Spiral Galaxy with Type Ia Supernova 2020abgq

NGC 4454 w/SN 2020abgq (Virgo)
SN 2020abgq (Type: Ia) discovered 2020-11-30.854 UT by Koichi Itagaki
 (Rochester Supernova site | Discovery Image )
 
NGC 4454 w/SN 2020abgq - 2021-01-24 (T+54.4d)
Image below (2021-01-24.261) was taken 54.4 days after discovery of 2020abgq
SN is shown by white cross hairs.  Measured magnitude ?
Image
CCD Image  (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 06:26 UT (#854412-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020abgq (NGC 4454) on Supernovae 2020 Page >>
 

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