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This page and associated sub-pages document observations and images of novae with discovery dates in 2008 to 2024       Novae pages by year : | 2008 | 2009 |  ...   | 2013 | ... | 2020 | 2021 | ... | 2024 |     Novae 2008-2024       Novae Observations Nova Cyg 2008 No. 2 - Nova (2008-04-10), V2491 Cyg  Nova Aql 2009 - Nova (2009-12-14), V1722 Aql  Nova Del 2013 - Nova (2013-08-14), V339 Del     Nova Per 2020 - Nova (2020-11-25),  V1112 Per Nova Cas 2021 - Nova (2021-03-30), V1405 Cas     Nova Vul 2024 - Nova (V615 Vul) T CrB - Variable Star (potential nova in 2024/25)       Extra-Galactic Nova Extra-Galactic Nova in M31 >>   (M31 Page) Extra-Galactic Nova in M33 >>   (M33 Page) Extra-Galactic Nova in M101 >>  (M101 Page)

Novae 2008-2024

Nova Cyg 2008 No. 2 - Nova (discovered 2008-04-10), V2491 Cyg

Nova Cyg 2008 No. 2 / V2491 Cyg (Cygnus)  Nova 'V2491 Cyg' was discovered in Cygnus by  Koichi Nishiyama, Kurume, Fukuoka-ken, Japan, and Fujio Kabashima, Miyaki-cho, Saga-ken, Japan,  on unfiltered CCD images taken 2008-04-10.728 UT  at magnitude 7.7 (IAU Circular No. 8934) (AAVSO Special Notice #103) Image below (2008-04-14.98 UT) was taken 4.25 days above discovery. Estimated magnitude +8.5 (C)
Annotated CCD Image  20s exposure, 2x2 binning, C Filter  2008-04-14 23:30hUT (#281142)
V2491 Cyg taken at varying dates after discovery
4.25 days (mag +8.5)		71.3 days (mag +14.4)
3x20s exposure (average combine),  2x2 binning, C Filter  2008-04-14 23:48hUT (#281164-66)		3 x 120s exposure (average combine),  2x2 binning, C Filter  2008-06-20 23:47hUT (#291042-44)
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 Nova Aql 2009 - Nova (discovered 2009-12-14), V1722 Aql

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Nova Del 2013 - Nova (discovered 2013-08-14), V339 Del

Nova Del 2013 (Delphinus) Nova Delphini 2013 was discovered on 2013-08-14 by Japanese observer Koichi Itagaki at magnitude +6.8.  Koichi had imaged the same field the day before and nothing was visible at the same location. The progenitor star was identified from archive images as being magnitude +16.9 Alias:  V339 Del [ Nova Del 2013 Spectragraphy Presentation ]

The image below was taken 25 days after discovery when Nova Del 2013 had faded to around +7.5 The nova is the brightest object in the image.

CCD Image (cropped) 5 x 5 sec exposure (average combine), 3x3 binning, C Filter 2013-09-08 22:19hUT (#546057-61) 12" LX200R  (at f/9.7) + ST-10XME

Nova Del 2013  - 2013-09-08 (T+25d) taken 25 days after discovery when nova was at magnitude +7.5

CCD Image (cropped) 5 x 5 sec exposure (average combine), 3x3 binning, C Filter 2013-09-08 22:19hUT (#546057-61) 12" LX200R  (at f/9.7) + ST-10XME

Nova Del 2013  - 2015-11-01 (T+810d) taken 810 days after discovery when the nova had faded to around +13.6

CCD Image (cropped) 5 x 5 sec exposure (average combine), 3x3 binning, C Filter 2015-11-01 21:22hUT (#592174-78) 12" LX200R  (at f/10.4) + ST-10XME

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Nova Per 2020 - Nova (discovered 2020-11-25),  V1112 Per

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 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 - 2020-12-20 (T+25.2d) Nova is shown by white cross hairs.  Measured magnitude +11.3

Annotated CCD Image (50% size, linear scale) 4 x 90s exposure (average combine), 3x3 binning, C Filter 2020-12-20 23:09 UT (#840125-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Per 2020 - Sequence of Images (T+25.2  to +387.0d) (Nova Discovery, T = 2020-11-25.807)

Nova Per 2020 - 2020-12-20 (T+25.2d) Image below (2020-12-20.821) was taken 25.2 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +11.3

CCD Image (100% size, linear scale, cropped) 4 x 90s exposure (average combine), 3x3 binning, C Filter 2020-12-20 23:09 UT (#840125-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Per 2020 - 2022-10-31 (T+704.2d) Image below (2022-10-31.015) was taken 704.2 days after discovery of nova Nova (fading) is shown by white cross hairs.  Measured magnitude +17.07

Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2022-10-31 00:27 UT (#1051028-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Nova Cas 2021 - Nova (discovered 2021-03-30), 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 ( TNS 2021hkn | Gaia21bpe )

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 indicated by white cross-hairs

Annotated CCD Image (50% size, linear scale) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-10 01:38 UT (#904024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 / AT2021hkn - 2021-04-12 (T+24.7d) Image below (2021-04-12.142) was taken 24.7 days after after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +8.72  Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50)

CCD Image (100% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 03:30 UT (#882048-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (Nova) - 2024-08-15 (T+1246.6d) Image below (2024-08-15.994) was taken 1246.6 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +11.98 (Clear Filter) (linked with Detection Threshold = 50)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 45s exposure (average combine), 3x3 binning, Clear Filter 2024-08-15 23:53 UT (#1228073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Nova Vul 2024 - Nova (V615 Vul)

Nova Vul 2024 (Vulpecula) Alias: N Vul 2024, V615 Vul, PNV J19430751+2100204 Nova Vul 2024 (Type: Nova) discovered 2024-07-29.832 UT by New Milky Way survey Discovery Magnitude 11.2 Maximum Magnitude 9.8 [ Novae ]

Nova Vul 2024 - 2024-09-10 (T+43.0d) Image below (2024-09-10.867) was taken 43.0 days after discovery of nova Nova (distinct) is shown by white cross hairs.   Measured magnitude +13.10 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 20:49 UT (#1240006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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T CrB - Variable Star  (potential Nova in 2024/25)

T CrB (Corona Borealis) Alias: GCVS T CrB, HIP 78322, SAO 84129, HD 143454 Max Magnitude  2.0 Min Magnitude 10.8 Spectral: M3III+pec(NOVA) ( VSX T CrB )

Starfield with T CrB Poor quality image (due to wind shake)

Annotated CCD Image (70% size, linear scale) 2 x 15s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 21:25 UT (#1240026-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

T CrB - Photometry - 2024-09-10 VSX (Sequence Stars for T CrB) C Star (HD 143256) :       "98",  000-BBW-796 ,  V  9.809,  B-V 1.034,  (B 10.843) K Star (GSC 2037:1228) : "112", 000-BBW-805  , V 11.166,  B-V 0.613,  (B 11.779) T CrB - Photometry Calculations (V Band) - 2024-09-10 Star  Id  Inst.  Mag  V Mag   V Mag (calc)   C Star  98   -13.112  9.809       K Star  112  -10.541  11.166   11.17   Var. Star  T CrB  -13.032      9.89    SpaceWeather.Com reports T CrB is currently bounching between 9.9 and 10.0 mag Poor quality image (due to wind shake)

Annotated CCD Image (50% size, linear scale) 2 x 15s exposure (average combine), 3x3 binning, V Filter 2024-09-10 21:58 UT (#1240046-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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