DI Lacertae

DI Lacertae
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Lacerta
Right ascension	22^h 35^m 47.98^s
Declination	+52° 42′ 57.7″
Apparent magnitude (V)	4.6Max. 14Min.
Other designations
HD 214239, Nova Lac 1910

DI Lacertae or Nova Lacertae 1910 was a nova in constellation Lacerta, discovered by T. H. E. C. Espin in 1910. It reached a brightness of 4.6 mag. Its brightness decreased in 37 days by 3 mag. Today its brightness is 14 mag.

Lacerta constellation

Stars (list)

Bayer	α β
Flamsteed	1 2 4 5 6 8 9 10 11 12 13 14 15 16
Variable	S U V X Y Z RR RT RW SS SW VX VY AR AW BG CM CO CP CZ DE DI DK EV EW GL HK HT PP V345 V350 V362 V364 V365 V377 V399 V405 V416 V424
HR	8422 8424 8429 8445 8463 8485 8487 8489 8510 8519 8536 8549 8553 8588 8589 8594 8606 8607 8609 8617 8626 8633 8643 8648 8651 8652 8654 8661 8666 8678 8682 8688 8692 8705 8708 8712 8718 8723 8733
HD	211660 212334 215473
Other	ADS 16402 HAT-P-40 IRAS 22223+4327 IRAS 22272+5435 PSR B2217+47 SAO 51891

Star clusters

Open	NGC 7243

Galaxies

Other

HAT-P-1b

Novae
Recurrent novae	T Coronae Borealis (1946) RS Ophiuchi (2006) U Scorpii (2010) T Pyxidis (2011)
Classical novae	CK Vulpeculae (1670) T Scorpii (1860) T Aurigae (1891) Nova Sagittarii 1898 (1898) V606 Aquilae (1899) GK Persei (1901) DM Geminorum (1903) V604 Aquilae (1905) DI Lacertae (1910) DN Geminorum (1912) V603 Aquilae (1918) HR Lyrae (1919) V849 Ophiuchi (1919) V476 Cygni (1920) RR Pictoris (1925) XX Tauri (1927) DQ Herculis (1934) CP Lacertae (1936) BT Monocerotis (1939) CP Puppis (1942) V500 Aquilae (1943) CT Serpentis (1948) DK Lacertae (1950) RW Ursae Minoris (1956) V446 Herculis (1960) V533 Herculis (1963) HR Delphini (1967) FH Serpentis (1970) V1500 Cygni (1975) V373 Scuti (1975) NQ Vulpeculae (1976) V1668 Cygni (1978) QU Vulpeculae (1984) V842 Centauri (1986) V838 Herculis (1991) V1974 Cygni (1992) V382 Velorum (1999) V1494 Aquilae (1999) V445 Puppis (2000) V598 Puppis (2007) V1280 Scorpii (2007) KT Eridani (2009) V339 Delphini (2013) V1369 Centauri (2013) ASASSN-16ma (2016)
See also: List of novae in the Milky Way galaxy

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