Iiro's DeepSky Sketches

Name: NGC 7009	Other name: PK 37-34.1
RA: 21h 4.2m	DEC: -11° 22'
Constellation: AQR
Type: Planetary nebula
Magnitude: 8.3
Size: 28'' x 23''
Surface brightness: 6.2
Brightest star: 12.9
Classification: 4(6)
Description: !!! vB,S,elliptic
Notes: Saturn Nebula,H IV 1,bright blue-green disk
Observer: Iiro Sairanen
Location: Säijä, Lempäälä, Finland
Date: 25/26.9.2008 0:10
Instrument: Newton 300/1500 mm
Magnification: 429x	Filter: O-III
Field: 11'	Seeing: 3
Background sky: 2	NE lim mag: 6.5
Visuality: I	Height: 9°
Weather: +1°C
Description: Saturn Nebula. High surface brightness, high magnification is needed to see details well. 429x shows a turquoise ring structure which is surrounded by fainter halo. The small wings on the both sides make it look like Saturn. No central star detected.
Updated: 4.11.2008 19:31
Name: NGC 7009	Other name: PK 37-34.1
RA: 21h 4.2m	DEC: -11° 22'
Constellation: AQR
Type: Planetary nebula
Magnitude: 8.3
Size: 28'' x 23''
Surface brightness: 6.2
Brightest star: 12.9
Classification: 4(6)
Description: !!! vB,S,elliptic
Notes: Saturn Nebula,H IV 1,bright blue-green disk
Observer: Iiro Sairanen
Location: Lakasenpelto, Imatra, Finland
Date: 27/28.8.2003 0.5
Instrument: Newton 406/1830 mm
Magnification: 244x	Filter: -
Field: 12'	Seeing: 4
Background sky: 4	NE lim mag: 5.6
Visuality: II	Height: 15°
Weather: windy, humid, +7°C
Description: Sininen soikea sumu, jossa kaksi ''siipeä''. Suuri pintakirkkaus. Muodoltaan sumu muistuttaa sivultapäin näkyvää Saturnusta, mistä nimi Saturnussumu.
Updated: 29.8.2003 11:49