Wednesday, October 20, 2010
Comet 103P/Hartley near NGC 1664
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9TbsKGZvC49pgzs7O4AJ9YWlJnO_WPNEh8pcZqMEPsBCVZxuGjtZVOYyRP0FXAw66q9_5pOeKYYsGoL6eTZwH4FUwrRv33CGLec-vI1gtRDFn_NseKwjriVI6PJMolFztulel/s320/103P_NGC1664_MAX_Registered+Images_scaled.png)
The comet appears as multiple images as this is a stack of 3 x 60 second exposures in Global Rent a Scope GRAS 14 and stacked in Image J using Z projection of maximum intensity and a bit of contrast fiddling.
Here's a false colour animation I made from those stacked images
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW-G056PdG9O8FtTmtK1VvPI3MSOl7qz2dkSr9HCiHotXfaT8CZB4dxRCgJtFW28khK3v9AuMMmmX8ALMm6VX7pGUx2C2-vyuwOD1aE8bOslb7HRbPVuFufcRrXrgqCdD_tIUo/s320/103P_NGC1664_region.jpg)
Labels: astrophotography, comets, Global Rent-a-Scope