Registry · deep sky

gam Cyg SNR

SNRemnant SIMBAD SNR 250 papers

harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.

Right ascension: 20h 20m 17.10s
Declination: +40° 26′ 09.0″
Galactic l, b: 78.086, 2.274
Angular size: 60′ × 60′

Also known as

14 identifiers

1AGL J2022+40321E 2019.0+40151FGL J2020.0+40491FHL J2021.0+40312AGL J2021+40292FGL J2019.1+40402FHL J2021.0+4031e3FGL J2021.0+4031e3FHL J2021.0+4031e4FGL J2021.0+4031eGRS G078.20 +02.10SNR G078.2+02.1GAL 078.2+02.1gam Cyg SNR

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
RX J2020.3+4026	X	0″	—
2MASS J20203534+4022102	Star	316.8″	—
2HWC J2020+403	gamma	339.7″	—
ZTF J202041.61+402249.1	RSCVnV*	344″	—
HD 229026	**	396.2″	10.21
2MASS J20203933+4031175	Star	399.5″	—
HD 228965	Star	523.2″	11.02

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/gam-cyg-snr · Registry entry updated 2026-08-14.