This cosmic portrait [
http://www.tamanti.
Sys/Swan M4.htm ] recorded October 9th features the lovely blue-green coma [
http://www.nasa.gov
] of Comet SWAN [
http://antwrp.gsfc.
] posing with spiral galaxy NGC 5005 [
http://en.wikipedia
] in the northern constellation Canes Venatici [
http://www.seds.org
canesvenatici.html ]. At the time the comet (center) was in the close foreground, a mere 9 light-minutes from planet Earth, with the galaxy a more substantial 60 million light-years distant. Not actually related to a bird, Comet SWAN (C/2006 M4 [
http://cometography
]) was so named as it was first spotted in image data from the SWAN (Solar Wind ANisotropies) camera aboard the sun-staring SOHO [
http://sohowww.nasc
] spacecraft. Having rounded [
http://www.universe
astrophoto-swan-song -for-a-comet/ ] the Sun, this comet is headed for interstellar space, but first it will make its closest approach to Earth on October 24. With binoculars, northern hemisphere observers can now spot the comet [
http://www.aerith.n
] above the northwestern horizon, near the handle of the Big Dipper in the early evening sky [
http://enews.colora
index.cfm?method=c.a rtDetail&artID=1901 ].
Explanation
This cosmic portrait [
http://www.tamanti.
Sys/Swan M4.htm ] recorded October 9th features the lovely blue-green coma [
http://www.nasa.gov
] of Comet SWAN [
http://antwrp.gsfc.
] posing with spiral galaxy NGC 5005 [
http://en.wikipedia
] in the northern constellation Canes Venatici [
http://www.seds.org
canesvenatici.html ]. At the time the comet (center) was in the close foreground, a mere 9 light-minutes from planet Earth, with the galaxy a more substantial 60 million light-years distant. Not actually related to a bird, Comet SWAN (C/2006 M4 [
http://cometography
]) was so named as it was first spotted in image data from the SWAN (Solar Wind ANisotropies) camera aboard the sun-staring SOHO [
http://sohowww.nasc
] spacecraft. Having rounded [
http://www.universe
astrophoto-swan-song -for-a-comet/ ] the Sun, this comet is headed for interstellar space, but first it will make its closest approach to Earth on October 24. With binoculars, northern hemisphere observers can now spot the comet [
http://www.aerith.n
] above the northwestern horizon, near the handle of the Big Dipper in the early evening sky [
http://enews.colora
index.cfm?method=c.a rtDetail&artID=1901 ].
Explanation