Caldwell 72, also known as NGC 55, is a galaxy of classification SBm in the constellation
of Sculptor. It is a member of the "Sculptor Galaxy Group".
It's has a diameter of ~55,600 light-years.
This image comprises 10 x Luminance (90 seconds each) and 5 x Red, Green and Blue (90,
104 and 95 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude
of 20 degrees on 30 September 2016.
The field of view is 32’ x 21’.
Hills Observatory: 1 January 2013 to 21 May 2019
- 0001P - 0050P
- ** 0002P Encke
- ** 0004P Faye
- ** 0007P Pons-Winnecke
- ** 0009P Tempel
- ** 0010P Tempel
- 0016P Brooks
- 0017P Holmes
- ** 0019P Borrelly
- ** 0021P Giacobini-Zinner
- ** 0022P Kopff
- ** 0024P Schaumasse
- ** 0026P Grigg-Skjellerup
- 0029P Schwassmann-Wachmann
- ** 0030P Reinmuth
- 0031P Schwassmann-Wachmann
- ** 0032P Comas
- ** 0033P Daniel
- ** 0037P Forbes
- 0038P Stephan-Oterma
- ** 0041P Tuttle-Giacobini-Kresak
- ** 0043P Wolf-Harrington
- ** 0044P Reinmuth
- ** 0045P Honda-Mrkos-Pajdusakova
- 0046P Wirtanen
- ** 0047P Ashbrook-Jackson
- 0048P Johnson
- 0049P Arend-Rigaux
- ** 0050P Arend
- 0051P - 0100P
- ** 0051P Harrington
- ** 0052P Harrington-Abell
- ** 0053P Van Biesbroeck
- ** 0056P Slaughter-Burnham
- ** 0057P du Toit-Neujmin-Delporte
- 0059P Kearns-Kwee
- 0060P Tsuchinshan
- ** 0061P Shajn-Schaldach
- ** 0062P Tsuchinshan
- ** 0063P Wild
- ** 0064P Swift-Gehrels
- ** 0065P Gunn
- ** 0066P du Toit
- ** 0067P Churyumov-Gerasimenko
- 0068P Klemola
- ** 0070P Kojima
- ** 0071P Clark
- ** 0073P Schwassmann-Wachmann
- 0074P Smirnova-Chernykh
- 0076P West-Kohoutek-Ikemura
- ** 0077P Longmore
- 0078P Gehrels
- ** 0081P Wild
- 0082P Gehrels
- 0084P Giclas
- ** 0088P Howell
- ** 0090P Gehrels
- ** 0093P Lovas
- ** 0094P Russell
- 0095P Chiron
- 0098P Takamizawa
- ** 0100P Hartley
- 0101P - 0150P
- 0105P Singer Brewster
- ** 0108P Ciffreo
- ** 0110P Hartley
- 0114P Wiseman-Skiff
- ** 0116P Wild
- ** 0117P Helin-Roman-Alu
- ** 0118P Shoemaker-Levy
- ** 0119P Parker-Hartley
- 0123P West-Hartley
- 0125P Spacewatch
- ** 0128Pb Shoemaker-Holt
- ** 0130P McNaught-Hughes
- 0131P Mueller
- ** 0134P Kowal-Vavrova
- ** 0136P Mueller
- ** 0137P Shoemaker-Levy
- ** 0139P Vaisala-Oterma
- ** 0141P Machholz
- 0143P Kowal-Mrkos
- ** 0144P Kushida
- ** 0145P Shoemaker-Levy
- ** 0146P Shoemaker-LINEAR
- 0149P Mueller
- 0151P - 0200P
- 0155P Shoemaker
- ** 0157P Tritton
- 0158P Kowal-LINEAR
- 0159P LONEOS
- 0160P LINEAR
- ** 0162P Siding Spring
- 0163P NEAT
- 0164P Christensen
- 0168P Hergenrother
- ** 0170P Christensen
- 0171P Spahr
- 0174P Echeclus
- 0175P Hergenrother
- ** 0176P LINEAR
- 0178P Hug-Bell
- ** 0180P NEAT
- ** 0183P Korlevic-Juric
- 0184P Lovas
- ** 0185P Petriew
- 0186P Garradd
- ** 0187P LINEAR
- ** 0188P LINEAR-Mueller
- 0198P ODAS
- 0200P Larsen
- 0201P - 0250P
- ** 0201P LONEOS
- ** 0204P LINEAR-NEAT
- ** 0205P Giacobini
- 0209P LINEAR
- ** 0211P Hill
- ** 0213P Van Ness
- 0215P NEAT
- ** 0217P LINEAR
- ** 0218P LINEAR
- ** 0219P LINEAR
- ** 0220P McNaught
- 0223P Skiff
- ** 0226P Pigott-LINEAR-Kowalski
- ** 0229P Gibbs
- ** 0230P LINEAR
- 0231P LINEAR-NEAT
- 0232P Hill
- ** 0234P LINEAR
- ** 0235P LINEAR
- ** 0237P LINEAR
- ** 0238P Read
- 0239P LINEAR
- 0240P NEAT
- ** 0242P Spahr
- ** 0244P Scotti
- ** 0246P NEAT
- 0247P LINEAR
- ** 0250P Larson
- 0251P - 0300P
- ** 0252P LINEAR
- ** 0256P LINEAR
- ** 0257P Catalina
- 0260P McNaught
- 0261P Larson
- ** 0262P McNaught-Russell
- 0264P Larsen
- 0266P Christensen
- ** 0270P Gehrels
- ** 0278P McNaught
- ** 0279P La Sagra
- ** 0284P McNaught
- ** 0288P
- 0289P Blanpain
- ** 0292P Li
- ** 0294P LINEAR
- ** 0296P Garradd
- ** 0299P Catalina-PANSTARRS
- 0300P Catalina
- 0301P - 0350P
- ** 0303P NEAT
- ** 0314P Montani
- ** 0315P LONEOS
- ** 0318P McNaught-Hartley
- ** 0319P Catalina-McNaught
- 0322P SOHO
- ** 0327P Van Ness
- ** 0329P LINEAR-Catalina
- ** 0330P Catalina
- ** 0332P Ikeya-Murakami
- ** 0333P LINEAR
- ** 0338P McNaught
- ** 0340P Boattini
- ** 0341P Gibbs
- ** 0343P NEAT-LONEOS
- ** 0344P Read
- ** 0346P CATALINA
- 0351P +
- 2006
- 2009
- 2010
- 2011
- 2012
- ** PK12B010 PANSTARRS
- ** CK12C010 McNaught
- ** CK12F030 PANSTARRS
- ** CK12F060 Lemmon
- ** CK12J010 Catalina
- ** CK12K010 PANSTARRS
- ** CK12K050 LINEAR
- ** CK12K060 McNaught
- ** CK12S010 ISON
- ** CK12S030 PANSTARRS
- ** CK12S040 PANSTARRS
- ** CK12V020 LINEAR
- ** CK12X010 LINEAR
- ** CK12X020 PANSTARRS
- ** CK12Y010 LINEAR
- ** CK12Y030 McNaught
- 2013
- ** CK13A010 Siding Spring
- ** PK13A020 Scotti
- ** CK13C020 Tenagra
- ** CK13D010 Holvocrem
- ** CK13E010 McNaught
- ** CK13E020 Iwamoto
- ** PK13G010 Kowalski
- ** CK13G060 Lemmon
- ** CK13G070 McNaught
- ** CK13H010 La Sagra
- ** PK13J020 McNaught
- ** CK13J030 McNaught
- ** PK13O020 PANSTARRS
- ** CK13R010 Lovejoy
- ** CK13T05W Spacewatch
- ** CK13U04Q Catalina
- ** CK13U10S Catalina
- ** CK13V010 Boattini
- ** CK13V020 Borisov
- ** CK13V030 Nevski
- ** CK13V040 Catalina
- ** CK13V050 Oukaimeden
- ** PK13W010 PANSTARRS
- ** CK13X010 PANSTARRS
- ** CK13Y020 PANSTARRS
- 2014
- ** CK14A040 SONEAR
- ** CK14A52A Catalina
- ** CK14C030 NEOWISE
- ** PK14E010 Larson
- ** CK14E020 Jacques
- ** PK14L020 NEOWISE
- ** PK14L030 Hill
- ** CK14N030 NEOWISE
- ** CK14Q010 PANSTARRS
- ** CK14Q020 Lovejoy
- ** CK14S020 PANSTARRS
- ** CK14W020 PANSTARRS
- ** CK14W060 Catalina
- ** CK14W110 PANSTARRS
- ** CK14Y010 PANSTARRS
- 2015
- ** CK15E61R PANSTARRS
- ** PK15F010 PANSTARRS
- ** CK15F020 Polonia
- ** CK15F040 Jacques
- ** CK15G00X PANSTARRS
- ** CK15G020 MASTER
- CK15O010 PANSTARRS
- ** PK15Q010 Scotti
- ** PK15R010 PANSTARRS
- ** PK15R020 PANSTARRS
- ** CK15R030 PANSTARRS
- ** CK15T040 PANSTARRS
- ** PK15TK0P LINEAR
- ** CK15V010 PANSTARRS
- ** CK15V020 Johnson
- ** CK15V62L Lemmon-Yeung-PANSTARRS
- ** CK15W010 Gibbs
- ** CK15W00Z PANSTARRS
- ** PK15W020 Catalina
- ** CK15X040 Elenin
- ** CK15X070 ATLAS
- ** CK15Y010 LINEAR
- 2016
- 2017
- ** CK17A010 PANSTARRS
- ** CK17B030 LINEAR
- ** CK17D020 Barros
- ** CK17E010 Borisov
- ** CK17E040 Lovejoy
- CK17K020 PANSTARRS
- ** CK17K040 ATLAS
- CK17K060 Jacques
- CK17M040 ATLAS
- ** CK17O010 ASASSN
- ** CK17S030 PANSTARRS
- ** PK17S050 ATLAS
- ** CK17S060 Catalina
- ** CK17T010 Heinze
- CK17T020 PANSTARRS
- ** CK17T030 ATLAS
- 2018
- 2019
- Arp
- Caldwell
- Herschel
- Messier
- Palomar
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