Comet Holmes  P (17P)    2007-11-01


Full resolution (1600x1200 px  400kB)

Holmes   2007-10-29

Holmes   2007-11-18

Holmes   2007-11-28


Object data

Object type: comet
Constellation: Per
Distance: 1.62 AU  (243 Mio km)
Notes:  

On October 24th, periodic Comet Holmes (17P) brightened dramatically:

by nearly a million times!

The comet erupted from a very dim magnitude 17 to about magnitude 2.
 


Exposure data

Date: 2007-11-01/02    20:25 UT - 21:42 UT  
Location: Nussbach / Austria (400m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and SBIG Filters
  Binning: L 1x1 / RGB 2x2
  Exposure time: L 6x4m / R 6x4m / G 6x2m / B 6x2m
Notes:

A short exposure was used to prevent oversaturation of the inner coma.


The following image shows comet Holmes with a Blue filter (2x2 binning)


Exposure data

Date: 2007-11-01    18:33 UT - 22:08 UT  
Location: Nussbach / Austria (400m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and SBIG Blue Filter
  Binning: Blue 2x2
  Exposure time: B 15x2 min
Notes:

Combine with CCDSTACK STD sigma reject


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