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In addition, vitamin and mineral deficiencies are common after LRGB, and most patients require vitamin supplements for a long time (6).
Total exposure: 102A hours through Astrodon LRGB filters.
Total exposure: 9.8 hours through LRGB color filters.
Total exposure: 12.8 hours through Astrodon Gen2 LRGB filters.
DETAILS: Takahashi FSQ-106ED astronaut and QSI 687.wsg CCD camera equipped With LRGB filters.
The LRGB composite is useful if the image brightness is reduced, where L= luminance (unfiltered white light image), and one can improve surface feature detail by replacing R by IR, etc., at the cost of suppressing the blue end.
In the LRGB image above, which represents a total of 22 hours, 24 minutes exposure time, the luminous bridge connecting NGC 2968 and NGC 2970 is visible.
Remote imaging via the internet is becoming increasingly popular, allowing observers cost effective access to first class equipment in prime dark site locations, and Andy Wilson's photograph, another LRGB shot (32min L, 2min each RGB), was obtained in this way using a Takahashi Epsilon 250 mounted on a Paramount ME plus SBIG ST-10XME from Global Rent a Scope, New Mexico.
DETAILS: Takahashi FSQ-130ED astrograph and QHY367C CCD camera with hydrogen-alpha and LRGB filters (rendered in monochrome).
DETAILS: Takahashi TOA-130 apochromatic refractor and QSI 690 CCD camera used with LRGB filters.
The LRGB image consisted of 75min Luminance and 21 min each RGB through Astronomik IIc RGB filters.
The 7-position filter wheel consistently placed each filter in the correct position as I worked through a typical LRGB imaging session.
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- LRG-47-like protein
- LRH ED