Iiro's DeepSky Sketches

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Name: Messier 93Other name: NGC 2447
RA: 7h 44.5m DEC: -23° 51'
Constellation: PUP
Type: Open cluster
Magnitude: 6.2
Size: 22.0'
Surface brightness: 12
Number of stars: 80
Brightest star: 8.2
Classification: IV 1 p
Description: Cl,L,pRi,lC,st8...13
Notes: 63 members to 13 mag,wedge shaped center
Observer: Iiro Sairanen
Location: Playa de las Americas, Tenerife, Spain
Date: 14/15.4.2004 23:10
Instrument: Newton 110/805 mm
Magnification: 107xFilter: -
Field: 28'Seeing: 4
Background sky: 4NE lim mag: 5.5
Visuality: IIHeight: 22°
Weather: +18°C, windy
Description: Poor open cluster. Sphenoid glow in the middle.
Updated: 15.5.2004 12:05
Name: Messier 93Other name: NGC 2447
RA: 7h 44.5m DEC: -23° 51'
Constellation: PUP
Type: Open cluster
Magnitude: 6.2
Size: 22.0'
Surface brightness: 12
Number of stars: 80
Brightest star: 8.2
Classification: IV 1 p
Description: Cl,L,pRi,lC,st8...13
Notes: 63 members to 13 mag,wedge shaped center
Observer: Iiro Sairanen
Location: Las Palmas, Gran Canaria, Spain
Date: 2/3.1.2003 0:10
Instrument: Binoculars 15x50
Magnification: 15xFilter: -
Field: 0'Seeing: 3
Background sky: 3NE lim mag: 5
Visuality: IIHeight: 0°
Weather: +20°C
Description: Kolmion muotoinen avonainen, joka näkyy pääasiassa glowna. Itä- sekä länsipäissä yksittäiset tähdet. Joukon itä- ja etelälaidat ovat hieman muita osia kirkkaampia. Vaikea havaita ilman jalustaa, myös valosaaste peitti kohdetta huomattavan paljon.
Updated: 3.2.2003 12:26